Home / 82,818.36-114,323.67-62,680.86

Finding the Fourth Proportional to 82,818.36, 114,323.67 and 62,680.86

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Solution

The fourth proportional to 82,818.36, 114,323.67 and 62,680.86 is: 86,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,818.36 : 114,323.67 = 62,680.86 : x
  2. Step 2: Convert to fraction form
    82,818.36/114,323.67 = 62,680.86/x
  3. Step 3: Cross multiply
    82,818.36x = 114,323.67 × 62,680.86
  4. Step 4: Simplify right side
    82,818.36x = 7,165,905,953.96
  5. Step 5: Solve for x
    x = 7,165,905,953.96/82,818.36
  6. Step 6: Final answer
    x = 86,525.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.